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Product Info - Item 89280

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Wheel; 3x1; Thermoplastized Rubber (Gray); Plain bore; 5/16 Bore; 1-3/16 Hub Length; 120# (89280)

$2.39

Quantity Discounts
4-15
$2.39
16-31
$1.94
32-59
$1.86
60-119
$1.70
120+
$1.46
Call with higher quantities.
Wheel; 3x1; Thermoplastized Rubber (Gray); Plain bore; 5/16 Bore; 1-3/16 Hub Length; 120# (Trio Pines MIR-3D2)

  • Wheel Diameter: 3"
  • Tread Width: 1"
  • Material: Thermoplastized Rubber (Gray)
  • Load Rating (Per Item): 120 pounds
  • Bearing: Plain bore
  • Bore: 5/16"
  • Hub Length: 1-3/16"
  • Shipping Weight: 0.2 lbs.
  • Usually Ships in: 24 hours (may be affected by quantity ordered)


  • When selecting a wheel, make sure to get the weight capacity needed along with the diameter, width, and axle bore. In some cases, the hub length is critical to a good fit. As with casters, the larger the wheel, the easier the push will be. Pay attention to hard vs soft wheels, propensity to flatten and marking vs non-marking.

    Remember that larger diameter equates to ease-of-roll while wider width equates to higher weigth capacity.

    Thermoplastic Rubber (TPR) wheels are precision molded and mechanically locked to a durable polyolefin core to provide an economical wheel for many applications. They provide a smooth, cushioned ride and can overcome small debris and obstacles on the floor. They offer floor protection, are non-marking and non-conductive. These often have various brand names by various manufacturers and can be flat or crowned.

    TPR are considered soft wheels which may experience flat-spotting even when loaded within the acceptable weight limits. Flat-spotting is more noticeable in warmer weather. The flat-spotting will roll-out and dissipate after a few minutes of rolling, depending on the size of the standing load and extent of the flat-spotting. This is a normal occurrence of these wheels and is not a product failure. If your application cannot tolerate this temporary condition, another material type may be preferable.

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